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usb: dwc2: force dr_mode in case of configuration mismatch 

If dual role configuration is not selected, check and force dr_mode
based on the selected configuration.

Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com>
Tested-by: Robert Baldyga <r.baldyga@samsung.com>
Tested-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Tested-by: John Youn <johnyoun@synopsys.com>
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Mian Yousaf Kaukab 2015-09-29 12:08:18 +02:00 committed by Felipe Balbi
parent fa50bff636
commit 857512d0eb
1 changed files with 11 additions and 0 deletions
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11
drivers/usb/dwc2/platform.c
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@ -221,6 +221,17 @@ static int dwc2_driver_probe(struct platform_device *dev)
(unsigned long)res->start, hsotg->regs);
hsotg->dr_mode = usb_get_dr_mode(&dev->dev);
if (IS_ENABLED(CONFIG_USB_DWC2_HOST) &&
hsotg->dr_mode != USB_DR_MODE_HOST) {
hsotg->dr_mode = USB_DR_MODE_HOST;
dev_warn(hsotg->dev,
"Configuration mismatch. Forcing host mode\n");
} else if (IS_ENABLED(CONFIG_USB_DWC2_PERIPHERAL) &&
hsotg->dr_mode != USB_DR_MODE_PERIPHERAL) {
hsotg->dr_mode = USB_DR_MODE_PERIPHERAL;
dev_warn(hsotg->dev,
"Configuration mismatch. Forcing peripheral mode\n");
}
/*
* Attempt to find a generic PHY, then look for an old style